What must I do for HP scanner not working issue?

I am experiencing HP scanner not working error from the last week. My scanner device is not able to scan the documents, so I am unable to work on my device. I don’t have ideas to sort out HP scanner not working problem. I try to recognize the causes of this issue, but I am unable to find out them. So I am putting my full efforts for resolving this issue, but no results. So please recommend me the easy troubleshooting resolutions for fixing HP scanner not working problem as soon as possible.